S&S Cycle
S&S Cycle 86-21 Sportster Models 1250cc Conversion Kit - Wrinkle Black
SKU: S0GE 910-0691
Description
Part #: 910-0691
This kit converts 1986-'21 883cc and 1200cc HD Sportster models to 1250cc displacement. No machining or rebalancing is required. Kit contains forged flat topped 3-9/16" bore pistons with coated piston skirts, S&S 3-9/16" bore cylinders, MLS head gaskets, base gaskets, exhaust gaskets, assembly lube, and instructions. 883 cylinder heads may not be used with this kit. For the best performance CNC head porting, performance cams, exhaust and intake upgrades are recommended.
Black, Flat Top, 10.3:1
Fitment
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Specifications
| Brand | S&S Cycle |
| Part Number | S0GE 910-0691 |
Videos
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Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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